<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title></title>
	</head>
	<body>
	</body>
</html>
<script>
	var stud1= new Array();
	stud1[0] = new Array("张萍",18,"女");
	stud1[1] = new Array("刘文",19,"男");
	stud1[2] = new Array("马春风",17,"女");
	var stud2 = new Array(new Array(),new Array());
	var stud3 = [["王明",19,"男"],["张芳",18,"女"],["李明阳",19,"男"]];
	var stud4 = [["李强",22,"男"],[],[],[]];
	stud4[0][3] = "计算机应用1班";
	
	var stud4 = [["李强",22,"男"],[],[],[]];
	stud4[0][3] = "计算机应用1班";
	console.log(stud4[0]);
	stud4[4][0]="张进步";
	console.log(stud4[4]);
</script>